Headset stereo bluetooth JBL Everest

JBL Everest Elite 100 is legendary sound in an on-the-go design. Bluetooth 4.1 technology enables wireless connectivity, JBL Pro Audio Sound delivers a dynamic listening experience, and ergonomic earpieces allow for unprecedented fit, and comfort in your ears. A rechargeable battery offers 8 hours of performance, and its built in microphone with echo cancellation technology provides more natural sounding voice calls. Enjoy ultimate sound unbound. Best-in-class Ergonomics These headphones are ergonomically designed to fit the unique contour of your ears. Youll experience unprecedented comfort. Listen longer and enjoy it more. Built-In Microphone Built-In Microphone wit echo cancellation technology delivers natural sounding calls. Dynamic frequency response range10-22kHz Driver sensitivity96dB/1kHz, 1mW Maximum SPL103dB Rated power input5mW Microphone sensitivity42dBV/Pa Battery typePolymer Li-ion Battery (3.7V, 50mAh x 2) Music play time with BT onup to 8 hours